"Incredible Quotations: 230 Thought-Provoking Quotes with Prompts to Spark Students' Writing, Thinking, and Discussion". Book by Jacqueline Sweeney, 1997.
Alexander Pope (1824). “The Works of Alexander Popekesq., with Notes and Illustrations by Himself and Others: To which Were Added, a New Life of the Author, an Estimate of His Poetical Character and Writings, and Occasional Remarks”, p.367